HWPutBytes (Windows CE 3.0 Device Driver Developement)

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This function is called by a driver to write bytes to hardware.

ULONG HWPutBytes(
PVOID
pContext, 
PUCHAR
pSrc, 
ULONG
NumberOfBytes, 
PULONG
pBytesSent
);

Parameters

pContext

Pointer to a context structure returned by the HWInitfunction that contains implementation-specific data describing the hardware device.

pSrc

Pointer to bytes to be sent.

NumberOfBytes

Specifies the number of bytes to be sent.

pBytesSent

Pointer to the actual number of bytes written.

Return Values

This function returns 0 or the minimum number of milliseconds before the MDD layer should call again. This is used if the device does not support interrupt-based indications of changes in the status of hardware flow-control lines. The MDD layer calls again to see if the flow-control condition has been removed.

Remarks

This function supports the implementation of the PDDs of serial port drivers.

Requirements

Runs on	Versions	Defined in	Include	Link to
Windows CE OS	1.0 and later	Serhw.h

Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.

See Also

HWInit

Last updated on Tuesday, July 13, 2004